Fun Facts
What is the only letter that is not in the periodic table?
J
What is the seventh element on the periodic table?
Nitrogen
What type of elements are located farthest left on the periodic table? (ex. Lithium, Potassium, and Sodium)
Alkali Metals
When was the periodic table created?
1869
_____________ is usually represented by one or two letters within every element on the periodic table.
Element Symbol
What country is named after Argon?
Argentina
What is the seventeenth element on the periodic table?
Chlorine
What type of elements are located farthest right on the periodic table? (ex. Helium, Neon, and Argon)
Noble Gases
Who created the periodic table?
Dmitri Mendeleev
What is usually located below the elements symbol?
Element Name
Helium was first discovered by observing the _______.
Sun
What is the thirty first element on the periodic table?
Gallium
What type of elements are in the middle of the periodic table?
Transition Metals
Who was the first chemist to organize elements based on repeating patterns?
Johann Wolfgang Dobereiner
___________ is related to the number of protons and neutrons.
Atomic Mass
Carbon is unique in that it is known to form up to ___ million different compounds.
10
What is the fifty third element on the periodic table?
Iodine
What is the unique property of Bromine (Br)?
It is the only nonmetal that is liquid at room temperature.
Who organized the periodic table according to increasing atomic number?
Henry Moseley
What is the number located on the top of every element on the periodic table?
Atomic number
What is the rarest element on earth?
Francium
What is the eighty fourth element on the periodic table?
Polonium
What are the four types of metals on the periodic table?
Alkali Metals, Alkaline Earth Metals, Rare Earth metals, and Transition Metals
Who arranged the two bottom rows of inner transition elements on the periodic table?
Glenn Seaborg
What are the numbers located on the top right of some elements? (Ex. 2, 8, 18, 18, 9, 2)
Valence electrons